Acorn MERIDIAN 3793 Manual - Página 9
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Imprimir páginaTROUBLE SHOOTING FOR HAND PUSHBUTTON OPERATED VALVES
Normal Valve Function: Hand pushbutton operated valve has an adjustable flow time of 5 to 60 seconds.
CONDITION: WATER DOES NOT FLOW
Probable Cause:
Water Main Closed.
Checkstops Closed.
Debris or Scale in Checkstop Strainer.
Air Leaks from 1/8" O.D. Tubing or Fittings.
Pushbutton Air Diaphragm Leaks.
Servomotor Diaphragm Center Hole is Blocked.
Servomotor Upper Diaphragm is Damaged.
Low or No Water Pressure at Supplies.
CONDITION: WATER DRIPS, WON'T SHUT OFF
Probable Cause:
Servomotor Diaphragm Offset Hole is Blocked.
Servomotor Seat is Damaged.
Servomotor Plate or Diaphragm is Obstructed.
Servomotor Timer Assembly is Damaged.
CONDITION: REDUCED WATER FLOW
Probable Cause:
Valve Riser Tubing is Crimped.
Debris or Scale in Checkstop Strainer.
Blockage in Valve Flow Control.
Low Water Pressure at Supplies.
Lime Deposits in Hot Water Pipes.
CONDITION: PREMATURE WATER SHUT OFF.
Probable Cause:
Air Leaks from 1/8" O.D. Tubing or Fittings.
Pushbutton Air Diaphragm Leaks.
MINIMUM / MAXIMUM WATER PRESSURE (PSI) 30 / 100. MAXIMUM WATER TEMPERATURE 130°F.
L1000803
Solution:
Open Water Main.
Open Checkstops.
Remove Checkstop Strainer and Clean.
Replace Damaged Tubing or Fitting.
Replace Pushbutton Air Diaphragm.
Remove Blockage.
Replace Servomotor Upper Diaphragm.
Increase Water Pressure to 30 PSI Minimum.
Solution:
Remove Blockage.
Replace Servomotor Seat.
Remove Cause of Obstruction.
Replace Servomotor Timer Assembly.
Solution:
Straighten Valve Riser Tubing.
Remove Checkstop Strainer and Clean.
Remove Blockage.
Increase Water Pressure to 30 PSI Minimum.
Remove Lime Deposits with Appropriate Cleaning Solution.
Solution:
Replace Damaged Tubing or Fitting.
Replace Pushbutton Air Diaphragm.
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Rev. H – 05/05/05